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Journals

Fabrication and Characterization of a Multilayered Optical Tissue Model with Embedded Scattering Microspheres in Polymeric Materials

May 9, 2012

Author(s)

Robert C. Chang, Peter M. Johnson, Christopher M. Stafford, Jeeseong Hwang

We report on a novel fabrication approach to build multilayered optical tissue phantoms that serve as independently validated test targets for axial resolution...

Qualitative and Quantitative Approaches in Comprehensive Two-Dimensional Gas Chromatography

May 9, 2012

Author(s)

Jacolin A. Murray

Comprehensive two-dimensional gas chromatography (GCXGC) offers advantages over one-dimensional gas chromatography (GC) including, high peak capacity, signal...

Quantitative Viscoelastic Mapping of Polyolefin Blends with Contact Resonance Atomic Force Microscopy

May 9, 2012

Author(s)

Dalia Yablon, Anil Gannepalli, Roger Proksch, Jason Killgore, Donna C. Hurley, Andy Tsou

The storage modulus (E') and loss modulus (E") of polyolefin blends have been mapped on the nanoscale with contact resonance force microscopy (CR-FM), a dynamic...

Structure and stability of hydrated ß-MnO2 surfaces

May 9, 2012

Author(s)

Gloria A. Oxford, Anne M. Chaka

Hydration of the β-MnO2 (110), (100), and (101) surfaces is investigated using a combination of periodic density functional theory and ab initio thermodynamics...

Probing the Water Content in Polymer Electrolyte Fuel Cells Using Neutron Radiography

May 8, 2012

Author(s)

Daniel S. Hussey, Jeffrey Mishler, Yun Wang, Rangachary Mukundan, Jacob Spendelow, Rodney Borup

This in-situ study examines the water content in polymer electrolyte fuel cells (PEFCs) using neutron radiography. Various conditions such as different...

Reducing Set Retardation in High Volume Fly Ash Mixtures with the Use of Limestone: Improving Constructability for Sustainability

May 8, 2012

Author(s)

Dale P. Bentz

From a sustainability perspective, high volume fly ash (HVFA) concretes are attractive not only because of the reduction in cement content and its associated...

Magnetization dynamics induced by in-plane currents in ultrathin magnetic nanostructures with Rashba spin-orbit coupling

May 8, 2012

Author(s)

Kyoung-Whan Kim, Soo-Man Seo, Jisu Ryu, Kyung Jin Lee, Hyun-Woo Lee

Thin ferromagnetic layers with broken structural inversion symmetry are subject to the Rashba spin-orbit coupling. We examine effects of the Rashba spin-orbit...

Antibacterial nanocomposites containing amorphous calcium phosphate and silver nanoparticles with different filler levels

May 7, 2012

Author(s)

Lei Cheng, Michael D. Weir, Hockin H. Xu, Joseph M. Antonucci, Nancy Lin, Sheng Lin-Gibson, Sarah M. Xu, Xuedong Zhou

A dental composite containing amorphous calcium phosphate nanoparticles (NACP) was developed that released high levels of calcium (Ca) and phosphate (PO4) ions...

Overview of Recent Atomic Spectroscopy At The NIST EBIT

May 5, 2012

Author(s)

John Gillaspy

Seven papers published by the NIST EBIT spectroscopy team and collaborators from mid-2009 to mid-2011 are summarized. Previous discussions of the D-lines in Na...

Nanoscale mapping of contact stiffness and damping by contact-resonance atomic force microscopy

May 3, 2012

Author(s)

Gheorghe Stan, Robert F. Cook

In this work, a new procedure is demonstrated to retrieve the conservative and dissipative contributions to contact-resonance atomic force microscopy (CR-AFM)...

Osmotic virial coefficients for model protein and colloidal solutions: Importance of ensemble constraints

May 2, 2012

Author(s)

Daniel Siderius, William P. Krekelberg, Christopher J. Roberts, Vincent K. Shen

Rayleigh light scattering is often used to quantify protein-protein interactions in solution via experimental measurement of the osmotic second virial...

Light, atoms and nuclei: the optical discovery of deuterium

May 1, 2012

Author(s)

Charles W. Clark, Joseph Reader

Deuterium was discovered by atomic spectroscopy 80 years ago, and led to the rapid development of nuclear energy and isotope chemistry. Atomic spectroscopy of...

A two-fluid model for the transition shape in transition-edge sensors

May 1, 2012

Author(s)

Douglas A. Bennett, Daniel S. Swetz, Robert D. Horansky, Daniel R. Schmidt, Joel N. Ullom

Superconducting microcalorimeters based on transition-edge sensors (TESs) are being successfully used in applications ranging from optical photon counting to...

Multiple forms of Selenoprotein P in a Candidate Human Plasma Standard Reference Material

May 1, 2012

Author(s)

William C. Davis, Lisa E. Kilpatrick, Eric L. Kilpatrick, Guillaume Ballihaut

Selenoprotein P (SePP) is a unique selenium-containing protein responsible for the transport and distribution of the essential trace element selenium (Se)...

Micromagnetic Computer Simulated Scaling Effect of S-shaped Permalloy Nano-element on Operating Fields for AND or OR Logic

May 1, 2012

Author(s)

Michael J. Donahue

The scaling effect of Permalloy s-shaped element, a modified rectangular element with appendages, on operating fields, Hx and Hy, was investigated by...

Is my car smarter than my cat?

May 1, 2012

Author(s)

Isabel M. Beichl

Extended Lee model for the turbine meter & calibrations with surrogate fluids

May 1, 2012

Author(s)

Jodie G. Pope, John D. Wright, Aaron N. Johnson, Michael R. Moldover

We developed a physical model termed the extended Lee model for calibrating turbine meters to account for 1) fluid drag on the rotor, 2) bearing static drag...

Osteoblast Response to Serum Protein Adsorption in 3D Polymer Scaffolds

May 1, 2012

Author(s)

Carl G. Simon Jr., Girish Kumar, Kaushik Chatterjee, Stevephen Hung

Protein adsorption is known to direct biological response to biomaterials and is important in determining cellular response in tissue scaffolds. In this study...

Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D

May 1, 2012

Author(s)

Carl G. Simon Jr., Kaushik Chatterjee, Alison M. Kraigsley, Joachim Kohn, Durgadas Bolikal

Current methods for screening cell-material interactions typically utilize two-dimensional (2D) culture format where cells are cultured on flat surfaces...

EXPOSING SIDING TREATMENTS, WALLS FITTED WITH EAVES, AND GLAZING ASSEMBLIES TO FIREBRAND SHOWERS

May 1, 2012

Author(s)

Samuel L. Manzello, Sayaka S. Suzuki, Yoshihiko Hayashi

An experimental campaign was undertaken to determine vulnerabilities of siding treatments, walls fitted with eaves, and glazing assemblies to firebrand...

A systematic approach to the study of accelerated weathering in building joint sealants

May 1, 2012

Author(s)

Christopher C. White, Donald L. Hunston, Kar T. Tan, James J. Filliben

An accurate service life prediction model is urgently needed for building joint sealants to reduce the enormous cost associated with long-term field weathering...

Demagnetization in Photomagnetic Films

May 1, 2012

Author(s)

Daniel M Pajerowski, Scott Hallock

High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 υm wavelength region

May 1, 2012

Author(s)

Florian B. Adler, Scott A. Diddams

We present a 2-υm frequency comb based on a reliable mode-locked Er:fiber laser with 100 MHz repetition rate. After shifting the spectrum of the amplified Er...

Ultra-Small-Angle X-ray Scattering—X-ray Photon Correlation Spectroscopy: A New Measurement Technique for in-situ Studies of Equilibrium and Nonequilibrium Dynamics

May 1, 2012

Author(s)

Fan Zhang, Andrew J. Allen, Lyle E. Levine, Jan Ilavsky, Gabrielle G. Long

Ultra-small-angle X-ray scattering—X-ray photon correlation spectroscopy (USAXS-XPCS) is a novel measurement technique for the study of equilibrium and slow...

A diffuse-interface Model of Reactive Wetting with Intermetallic Formation

May 1, 2012

Author(s)

Walter Villaneuva, William J. Boettinger, Geoffrey B. McFadden, James A. Warren

A diffuse-interface model of reactive wetting with intermetallic formation is developed that incorporates fluid flow, phase change, and solute diffusion. The...

Exchange Coupling in Magnetic Semiconductor Multilayers and Superlattices

May 1, 2012

Author(s)

J. K. Furdyna, J. Leiner, X. Liu, M. Dobrowolska, S. Lee, J.-H. Chung, Brian Kirby

The study of ferromagnetic semiconductors (FMSs) continues to be of great interest because of their potential for spintronic devices. While there has been much...

Study of Water Diffusion on Single-supported Bilayer Lipid Membranes by Quasielastic Neutron Scattering

May 1, 2012

Author(s)

M. Bai, A. Miskowiec, F.Y. Hansen, H. Taub, Timothy Jenkins, Madhu Sudan Tyagi, S. O. Diallo, E. Mamontov, Kenneth W. Herwig, S.-K. Wang

Response of large area avalanche photodiodes to low energy X-rays

April 30, 2012

Author(s)

Thomas R. Gentile, Uwe Arp, M J. Bales, R Farrell

For an experiment to study neutron radiative beta-decay, we operated large area avalanche photodiodes (APDs) at liquid nitrogen temperature to detect X-rays...

Maximum Entropy and Time-Domain Kramers-Kronig Phase Retrieval Approaches are Functionally Equivalent for CARS Micro-Spectroscopy

April 27, 2012

Author(s)

Marcus T. Cicerone, Khaled A. Aamer, Young J. Lee, Eric Vartiainen

Phase retrieval methods are used to recover Raman spectra from multiplex and broadband CARS signals. Two methods are in widespread use, one based on maximum...

Uncertainty in RECIST as a measure of volume for lung nodules and liver malignoma

April 27, 2012

Author(s)

Zachary H. Levine, Adam L. Pintar, John G. Hagedorn, Charles D. Fenimore, Claus P. Heussel

The authors investigate the extent to which the RESPONSE Evaluation Criateria in Solid Tumors (RECIST) can predict tumor volumes and changes in volume using...

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